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65212067 is a prime number
BaseRepresentation
bin1111100011000…
…0111010100011
311112201010010202
43320300322203
5113143241232
610245415415
71421202434
oct370607243
9145633122
1065212067
11338a0878
1219a0a56b
131068342b
14893748b
155ad2162
hex3e30ea3

65212067 has 2 divisors, whose sum is σ = 65212068. Its totient is φ = 65212066.

The previous prime is 65212031. The next prime is 65212079. The reversal of 65212067 is 76021256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65212067 - 222 = 61017763 is a prime.

It is a super-2 number, since 2×652120672 = 8505227364824978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65215067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32606033 + 32606034.

It is an arithmetic number, because the mean of its divisors is an integer number (32606034).

Almost surely, 265212067 is an apocalyptic number.

65212067 is a deficient number, since it is larger than the sum of its proper divisors (1).

65212067 is an equidigital number, since it uses as much as digits as its factorization.

65212067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 65212067 is about 8075.3988755974. The cubic root of 65212067 is about 402.5093643900.

The spelling of 65212067 in words is "sixty-five million, two hundred twelve thousand, sixty-seven".